Recovery of swollen lymph nodes behind the ear is mainly related to the triggering causes, personal resistance and other conditions. Lymph node enlargement caused by some factors is difficult to heal by itself and usually needs timely treatment. The most common cause of swollen lymph nodes behind the ear is nearby inflammatory infections, such as gingivitis, mumps, otitis media, and other infectious inflammation of the surrounding tissues and organs; followed by tumor-induced lymph node enlargement or metastasis. 1. Inflammatory enlargement with mild condition may be cured in about 1 week by adjusting diet and lifestyle; oral antibiotics (e.g. amoxicillin, azithromycin, etc.) and antiviral drugs (e.g. acyclovir, ribavirin, etc.) are recommended to treat the condition, which can be cured in 1 to 2 weeks in general. 2. The more serious condition should be timely consultation, basically can not be self-cured, need to address the cause of the active standardized anti-inflammatory, anti-infective treatment, generally 2 ~ 3 weeks can be cured. Chronic lymphadenitis, tuberculous lymphadenitis or patients with low resistance may also need several months of treatment. 3. Lymph node swelling behind the ear or metastasis caused by tumor can not wait for self-healing, but need surgery or chemotherapy to actively treat the primary tumor and metastasis, and there is no fixed standard for the recovery time of lymph node swelling. After discovering the swelling of lymph nodes behind the ear, it is necessary to consult a doctor in time and follow the doctor’s instruction to treat accordingly after diagnosis.